255351240431430 has 64 divisors (see below), whose sum is σ = 719983357648128. Its totient is φ = 57141536319360.

The previous prime is 255351240431423. The next prime is 255351240431453. The reversal of 255351240431430 is 34134042153552.

It is a super-2 number, since 2×255351240431430² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29761212544 + ... + 29761221123.

It is an arithmetic number, because the mean of its divisors is an integer number (11249739963252).

Almost surely, 2^{255351240431430} is an apocalyptic number.

255351240431430 is an abundant number, since it is smaller than the sum of its proper divisors (464632117216698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255351240431430 is a wasteful number, since it uses less digits than its factorization.

255351240431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59522433701.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 255351240431430 its reverse (34134042153552), we get a palindrome (289485282584982).

The spelling of 255351240431430 in words is "two hundred fifty-five trillion, three hundred fifty-one billion, two hundred forty million, four hundred thirty-one thousand, four hundred thirty".